AECMA PREN 2181-1978 Heat Resisting Nickel Base Alloy NI-P61-HT Solution Treated and Precipitation Treated Bar and Section for Welded Rings Aerospace Series Edition 1
This standard specifies a test method to determine the adhesion of metallic coatings by shearing action. It applies to coatings with a hardness. It shall a applicable whenever referenced.
AECMA PREN 2181-1978 history
1978AECMA PREN 2181-1978 Heat Resisting Nickel Base Alloy NI-P61-HT Solution Treated and Precipitation Treated Bar and Section for Welded Rings Aerospace Series Edition 1